A vast stone temple built 1,000 years ago by one of South America's most powerful civilizations has been uncovered in the Andes.Archaeologists discovered the temple, known as Palaspata, atop a ridge in the remote highlands southeast of Lake Titicaca, near the small community of Ocotavi in western Bolivia.The large structure was the craftsmanship of the Tiwanaku civilization, which left a mark on the world with impressive stone structures, advanced irrigation systems, and unique art and pottery before vanishing around 1000AD.Covering an area roughly the size of a city block, the site measures approximately 410 feet long by 476 feet wide.It...